Acoustic Society of America  
   
   http://asa.aip.org/

German Federal Organization Against Aircraft/Airport Noise  
   Bundesvereinigung gegen Fluglärm e.V. BVF is the representant of people by Art. 32 German air traffic law. Site has extensive information about airport and aircraft noise, noise protection and other aspects of air traffic, and links to other sites. Most
   http://www.fluglaerm.de/bvf/

National Council of Acoustical Consultants  
   Major international organization of acoustical consultants.
   http://www.ncac.com

The Canadian Acoustical Association  
   
   http://www.uwo.ca/hhcru/caa/

International Acoustical Societies/Organizations  
   Extensive listing
   http://asa.aip.org/links.soc.html

Institute of Noise Control  
   The Institute of Noise Control Engineering of the USA is a professional organization. A primary purpose of the Institute is to promote engineering solutions to environmental noise problems.
   http://www.inceusa.org/